================================================================== BUG: KCSAN: data-race in sctp_association_free / sctp_wait_for_connect write to 0xffff88815ef7b008 of 1 bytes by task 31566 on cpu 1: sctp_association_free+0x14c/0x580 sctp_do_sm+0x2b25/0x3160 sctp_primitive_ABORT+0x75/0x90 sctp_sendmsg_check_sflags+0x199/0x1d0 sctp_sendmsg+0x129c/0x1900 inet_sendmsg+0x63/0x80 ____sys_sendmsg+0x390/0x510 __sys_sendmmsg+0x263/0x500 __x64_sys_sendmmsg+0x57/0x60 do_syscall_64+0x41/0xc0 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff88815ef7b008 of 1 bytes by task 31555 on cpu 0: sctp_wait_for_connect+0x178/0x350 __sctp_connect+0x705/0x780 sctp_setsockopt_connectx+0xc5/0x120 sctp_setsockopt+0x716/0xe90 sock_common_setsockopt+0x61/0x70 __sys_setsockopt+0x1c3/0x230 __x64_sys_setsockopt+0x66/0x80 do_syscall_64+0x41/0xc0 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x00 -> 0x01 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 31555 Comm: syz-executor.4 Tainted: G W 6.2.0-rc7-syzkaller-00011-g05ecb680708a-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 ==================================================================